On Tue, Sep 6, 2016 at 7:28 PM, Hans de Goede <[email protected]> wrote: > Hi, > > On 06-09-16 13:02, wens Tsai wrote: >> >> Hi Hans, >> >> I've built the latest sunxi-next branches of Linux and U-boot and >> tried it on my Q8 A23 tablet. My tablet has an OTG adapter with a >> USB ethernet adapter connected all the time. Upon booting into >> Linux I get an endless stream of: >> >> musb_bus_suspend 2586: trying to suspend as a_wait_bcon while active >> >> messages. To get out of this I have to physically remove the OTG >> adapter. Booting without the OTG adapter to begin with also gets >> rid of the problem. >> >> Have you run into this problem? I wonder if we should disable VBUS >> just before leaving U-boot? Now that we support DRIVEVBUS this >> shouldn't be a problem. > > > I've not seen such a problem. I'm fine with disabling Vbus when > leaving u-boot, that certainly is the safe thing to do anyways.
Seems there's no distinction between "USB reset" and leaving U-boot, as you mentioned in your patch removing the "power off" code from the USB drivers. Are you OK with power cycling during USB reset as well? > I guess I'll get a u-boot patch from you if that indeed fixes > things ? Yup. In progress. Though my ethernet adapter is acting up, so I'll need to swap in something else to test it properly. ChenYu -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
